Pat Monahan (born 1969) is an American singer and lead singer of Train.
Patrick Monahan may also refer to:
Patrick Monahan (comedian) (born 1976), Irish-Iranian comedian Patrick J. Monahan (born 1954), Canadian academic
See also P. H. Moynihan (Patrick Henry Moynihan, 1869–1946), U.S. Representative from Illinois Daniel Patrick Moynihan (1927–2003), known as Pat, U.S. Senator from New York Patricia Monaghan (1946–2012), American poet Pat Monaghan, British ornithologist